Question 64
Circle the word or phrase that completes the sentences correctly.
Male and female gametes combine to form a/an (zygote / embryo) which has (23 / 46) chromosomes. This process is called (fusion / fertilisation). The genetic material in the fetus that develops comes from (mainly the father / both parents equally). The sex of the fetus is determined by genetic material from (the father / both parents equally).
Male and female gametes combine to form a/an (zygote / embryo) which has (23 / 46) chromosomes. This process is called (fusion / fertilisation). The genetic material in the fetus that develops comes from (mainly the father / both parents equally). The sex of the fetus is determined by genetic material from (the father / both parents equally).
